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118457 (1999 WP6)
Classification: Main-belt Asteroid          SPK-ID: 2118457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479347478596862 4.9176e-08  
a 3.113922914487413 2.34e-08 au
q 2.653265513278218 1.5756e-07 au
i 7.296210499183607 4.3625e-06 deg
node 89.83002344035619 4.1851e-05 deg
peri 37.4084470079272 4.4696e-05 deg
M 279.5904381788035 1.8296e-05 deg
tp 2459844.796561361775
(2022-Sep-22.29656136)
0.00010511 TDB
period 2007.059340145496
5.50
2.2623e-05
6.194e-08
d
yr
n .179366894042058 2.0218e-09 deg/d
Q 3.574580315696608 2.6861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:22  

Additional Information
 Earth MOID = 1.67369 au 
 Jupiter MOID = 1.52788 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.77   n/a E2021B55  

118457 (1999 WP6)          Discovered 1999-Nov-28 by Korlevic, K. at Visnjan
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 WP6 = 2001 FD94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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